language: node_js

# Test on current supported Node.js versions
node_js:
  - "18"    # LTS until April 2025
  - "20"    # Active LTS until April 2027
  - "22"    # Current release

# Cache node_modules for faster builds
cache:
  directories:
    - "node_modules"

# Only build on specific branches
branches:
  only:
    - master
    - main

# Install dependencies
before_script:
  - npm install -g grunt-cli

# Run tests
script:
  - npm test

# Notifications (optional - can be disabled)
notifications:
  email: false